Yes, Micromax Canvas 2 does have fingerprint sensor.
No. During our review, we do not observe any heating issue.
No. Micromax Q4310 do not have the hybrid sim slot. There is a dedicated memory card slot in this phone.
Micromax Canvas 2 is made of Metal and high quality Polycarbonate material. The front of the phone is covered with Corning Gorilla Glass 5.
Yes, you can use Jio sim card with this phone.